<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="分类名称" prop="typeName">
        <el-input
          v-model="queryParams.typeName"
          placeholder="请输入分类名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['cms:type:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['cms:type:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['cms:type:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['cms:type:export']"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="typeList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column
        label="分类图像"
        align="center"
        prop="typePic"
        width="100"
      >
        <template slot-scope="scope">
          <el-image
            style="
              width: 28px;
              height: 28px;
              border-radius: 50%;
              margin-right: 10px;
            "
            :src="scope.row.typePicLink"
            lazy
            :preview-src-list="[scope.row.typePicLink]"
            v-if="scope.row.typePicType == '0'"
          >
            <div slot="error" class="image-slot">
              <i class="el-icon-collection"></i>
            </div>
          </el-image>
          <el-image
            style="
              width: 28px;
              height: 28px;
              border-radius: 50%;
              margin-right: 10px;
            "
            :src="scope.row.typePic"
            lazy
            :preview-src-list="[scope.row.typePic]"
            v-if="scope.row.typePicType == '1'"
          >
            <div slot="error" class="image-slot">
              <i class="el-icon-collection"></i>
            </div>
          </el-image>
        </template>
      </el-table-column>
      <el-table-column label="分类名称" align="center" prop="typeName" />
      <el-table-column label="博客数量" align="center" prop="blogNum" />
      <el-table-column label="创建者" align="center" prop="createBy" />
      <el-table-column
        label="创建时间"
        align="center"
        prop="createTime"
        width="100"
      >
        <template slot-scope="scope">
          <span>{{
            parseTime(scope.row.createTime, "{y}-{m}-{d} {h}:{i}:{s}")
          }}</span>
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['cms:type:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['cms:type:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
      <!-- 使用插槽-无数据时展示空盒子 -->
      <template #empty>
        <el-empty description="没有数据"></el-empty>
      </template>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改分类管理对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      :before-close="cancel"
      width="500px"
      append-to-body
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="分类名称" prop="typeName">
          <el-input v-model="form.typeName" placeholder="请输入分类名称" />
        </el-form-item>
        <el-form-item label="分类图像">
          <el-radio-group v-model="form.typePicType">
            <el-radio-button label="1">上传</el-radio-button>
            <el-radio-button label="0">地址</el-radio-button>
          </el-radio-group>
          <div v-show="form.typePicType == '0'" class="tabBlock">
            <el-input
              v-model="form.typePicLink"
              placeholder="请输入图片地址 https://"
              style="margin-bottom: 10px"
            />
            <el-image
              :src="form.typePicLink"
              :preview-src-list="[form.typePicLink]"
              fit="cover"
              class="typePic"
            >
              <div slot="error" class="image-slot">
                <i class="el-icon-collection"></i>
              </div>
            </el-image>
          </div>
          <div v-show="form.typePicType == '1'" class="tabBlock">
            <imageUpload v-model="form.typePic" :limit="1" />
          </div>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listType,
  getType,
  delType,
  addType,
  updateType,
  cancelType,
} from "@/api/cms/type";

export default {
  name: "Type",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      names: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 分类管理表格数据
      typeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        typeName: null,
        typePic: null,
        createBy: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        typeName: [
          {
            required: true,
            message: "分类名称不能为空",
            trigger: "blur",
          },
        ],
      },
    };
  },
  created() {
    this.getList();
  },
  beforeRouteEnter(to, from, next) {
    next((vm) => {
      vm.getList();
    });
  },
  methods: {
    /** 查询分类管理列表 */
    getList() {
      this.loading = true;
      listType(this.queryParams).then((response) => {
        for (let i = 0; i < response.rows.length; i++) {
          let typeInfo = response.rows[i];
          if (typeInfo.typePic.length > 0) {
            response.rows[i].typePic =
              process.env.VUE_APP_BASE_API + typeInfo.typePic;
          }
        }
        this.typeList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      cancelType(this.form).then((response) => {
        this.open = false;
        this.reset();
      });
    },
    // 表单重置
    reset() {
      this.form = {
        typeId: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        typeName: null,
        typePicType: "1",
        typePic: null,
        typePicLink: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
      this.$modal.msgSuccess("搜索成功");
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.typeId);
      this.names = selection.map((item) => item.typeName);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加分类管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const typeId = row.typeId || this.ids;
      getType(typeId).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改分类管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.typeId != null) {
            updateType(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addType(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const typeIds = row.typeId || this.ids;
      let name = row.typeName || this.names;
      this.$modal
        .confirm('是否确认删除"' + name + '"？')
        .then(function () {
          return delType(typeIds);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "cms/type/export",
        {
          ...this.queryParams,
        },
        `type_${new Date().getTime()}.xlsx`
      );
    },
  },
};
</script>

<style scoped lang="scss">
.tabBlock {
  height: 180px;
  margin-top: 20px;
}
.typePic {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}
</style>
